402376720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{577}}^1$

素因数の和:992

約数の個数: 80

約数和(自身を含む): 980472960

約数和(自身を除く): 578096240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 379, 460, 577, 758, 920, 1154, 1516, 1840, 1895, 2308, 2885, 3032, 3790, 4616, 5770, 6064, 7580, 8717, 9232, 11540, 13271, 15160, 17434, 23080, 26542, 30320, 34868, 43585, 46160, 53084, 66355, 69736, 87170, 106168, 132710, 139472, 174340, 212336, 218683, 265420, 348680, 437366, 530840, 697360, 874732, 1061680, 1093415, 1749464, 2186830, 3498928, 4373660, 5029709, 8747320, 10059418, 17494640, 20118836, 25148545, 40237672, 50297090, 80475344, 100594180, 201188360, 402376720]

約数ペア:

[(1, 402376720), (2, 201188360), (4, 100594180), (5, 80475344), (8, 50297090), (10, 40237672), (16, 25148545), (20, 20118836), (23, 17494640), (40, 10059418), (46, 8747320), (80, 5029709), (92, 4373660), (115, 3498928), (184, 2186830), (230, 1749464), (368, 1093415), (379, 1061680), (460, 874732), (577, 697360), (758, 530840), (920, 437366), (1154, 348680), (1516, 265420), (1840, 218683), (1895, 212336), (2308, 174340), (2885, 139472), (3032, 132710), (3790, 106168), (4616, 87170), (5770, 69736), (6064, 66355), (7580, 53084), (8717, 46160), (9232, 43585), (11540, 34868), (13271, 30320), (15160, 26542), (17434, 23080)]